FPC/SVN bisection script

bisect.sh

#!/bin/bash
testpath=/tmp/fpctest
records=$testpath/records
testsh=$testpath/testrevision.sh

while true; do
oldestfail=$(grep failed $records | grep -oE '^[0-9]+' | sort -n | head -1)
newestok=$(grep ok $records | grep -oE '^[0-9]+' | sort -n | tail -1)

((x=$oldestfail - $newestok))
if [ $x -lt 10 ]; then break; fi

((x=($oldestfail + $newestok) / 2))
echo
echo
echo =========================testing $x====================
$testsh $x

done

((newestok=$newestok + 1))
((oldestfail=$oldestfail - 1))
for i in $(seq $newestok $oldestfail); do 
echo
echo
echo =========================testing $i====================
$testsh $i
done

cat $records

testrevision.sh

#!/bin/bash
rev=$1
rm -r /tmp/fpctest/lib/ 
rm /tmp/fpctest/xx
set -e 
svn update -r $rev
make clean
make install PP=/usr/lib64/fpc/3.0.0/ppcx64 PREFIX=/tmp/fpctest

/tmp/fpctest/lib/fpc/3.1.1/ppcx64 -Xd -Fd -O2 -Cr  -Fu/tmp/fpctest/lib/fpc/3.1.1/units/x86_64-linux/rtl/ /tmp/fpctest/xx.pas 

if /tmp/fpctest/xx; then echo $rev: ok $? >> /tmp/fpctest/records ; 
else echo $rev: failed $? >> /tmp/fpctest/records ; fi